ALEXSEAL Premium Wash Down Concentrate is a biodegradable washing detergent designed to clean ALEXSEAL Topcoats from usual dirt in the marine environment (like water marks and salt residues). It is neutral in PH; does not include abrasives and is rinseable without residues which decrease drying time. ALEXSEAL Premium Wash Down Concentrate is formulated for the marine environment and fulfills all environmental requirements for marine detergents